\documentclass{article}

\usepackage{pgfplots}

\pgfplotsset{compat=1.9}

\begin{document}

\begin{tikzpicture}
	\begin{axis}[
		xmin=0, 
		xmax=56,
		ymin=0,
		ymax=1,
		xtick distance=6,
		ytick distance=0.1,
	]
	\end{axis}
\end{tikzpicture}
\begin{tikzpicture}
	\begin{axis}[
		xmin=0, 
		xmax=56,
		ymin=0,
		ymax=1,
		xtick distance=50,
		ytick distance=1000,
	]
	\end{axis}
\end{tikzpicture}

\begin{tikzpicture}
%\tracingmacros=2 \tracingcommands=2
	\begin{loglogaxis}[
		xmin=1, 
		xmax=1e5,
		ymin=1e-6,
		ymax=1,
		xtick distance=10^1.5,
		ytick distance=10^2,
	]
	\end{loglogaxis}
\end{tikzpicture}
\end{document}

